| Seven Types of Deadly Waste
occurs when operations continue after they should have stopped. The
of overproduction are; Products
in excess of what’s required
queuing, waiting refers to the periods of inactivity in a downstream
that occur because an upstream activity does not deliver on time. Idle
downstream resources are then often used in activities that either
add value or result in overproduction.
motion or movement of materials, such as work-in-process (WIP) being
from one operation to another. Ideally transport should be minimized
two reasons; It
adds time to the
process during which no value-added activity is being performed.
to extra operations, such as rework, reprocessing, handling or storage
that occurs because of defects, overproduction or excess inventory.
inventory that is not directly required to fulfill current Customer
Inventory includes raw materials, work-in-process and finished goods.
all requires additional handling and space.
to the extra steps taken by employees and equipment to accommodate
process layout, defects, reprocessing, overproduction or excess
Motion takes time and adds no value to the product or service.
and add value is called work. To move and not add value is called
Motion, then, means moving without working, moving and adding cost”.
or services that do not conform to the specification or Customer’s
thus causing Customer dissatisfaction.